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v. 3.14.2
2021 WD
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Name
P11p9tt → 2021 WD
Type
NEO
Status
Not Following
Source
Minor Planet Center
UTC date
------------ Any 1.0m ------------
LSC 1.0m - W85-87; (CTIO, Chile)
ELP 1.0m - V37,V39; (McDonald, Texas)
COJ 1.0m - Q63-64; (Siding Spring, Aust.)
CPT 1.0m - K91-93; (Sutherland, S. Africa)
TFN 1.0m - Z31,Z24; (Tenerife, Spain)
------------ Any 0.4m ------------
LSC 0.4m - W89,W79; (CTIO, Chile)
ELP 0.4m - V38; (McDonald, Texas)
OGG 0.4m - T03-04; (Maui, Hawaii)
COJ 0.4m - Q58-59; (Siding Spring, Aust.)
CPT 0.4m - L09; (Sutherland, S. Africa)
TFN 0.4m - Z17,Z21; (Tenerife, Spain)
------------ Any 2.0m ------------
FTS 2.0m - E10; (Siding Spring, Aust.) [MuSCAT4]
FTN 2.0m - F65; (Maui, Hawaii ) [MuSCAT3]
------------ Non LCO ------------
Mt John 1.8m - 474 (Mt John, NZ)
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Measurements
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Last Update: 2021-Nov-23 20:23
Orbital Elements
MPC Minor Planet
Epoch of elements (MJD)
59540.0
Nov. 22, 2021
Orbital inclination in deg
9.12892
Longitude of Ascending Node (deg)
311.12982
Arg of perihelion (deg)
47.47229
Eccentricity
0.6592332
Mean distance (AU)
2.410861
Mean Anomaly (deg)
12.42678
Absolute Magnitude (H)
21.2
Slope Parameter (G)
0.15
Albedo (average)
0.17
Albedo (range)
0.01 - 0.60
Diameter in meters (average)
204
Diameter in meters
(range)
99 - 765
Physical Parameters
Diameter
Initial Diameter Guess using H=21.2 and albedo=0.14 (0.01 to 0.5)
MPC Default
204.39 m
+560.0 / -96.0
Follow-up Details
NEOCP
digest2
score
74
Number of observations
25
Arc length (days)
2.33
Time since last observation (days)
0.07
Spectroscopy Details
Known Taxonomies
None
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